The ILCE 5100 was added in Camera Raw 8.7. If that is the camera you are referring to then you will have to purchase Photoshop Elements 13 and then run an update after you install it. You can purchase it at a local retailer, or you can purchase it online directly from Adobe. If you want to purchase directly from Adobe, here is the link: Products

Here is a page of contact information including some telephone numbers: Contact | Adobe